Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

Ignore non-dictionary nodes when parsing StructTree data (issue 18503) #18504

Merged
merged 1 commit into from
Jul 28, 2024
Merged

Ignore non-dictionary nodes when parsing StructTree data (issue 18503) #18504

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
3 changes: 3 additions & 0 deletions src/core/struct_tree.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -671,6 +671,9 @@ class StructTreePage {
warn("StructTree MAX_DEPTH reached.");
return null;
}
if (!(dict instanceof Dict)) {
return null;
}

if (map.has(dict)) {
return map.get(dict);
Expand Down
1 change: 1 addition & 0 deletions test/pdfs/issue18503.pdf.link
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1 @@
https://github.com/user-attachments/files/16402842/apl_23_003.pdf
8 changes: 8 additions & 0 deletions test/test_manifest.json
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,14 @@
"link": true,
"type": "other"
},
{
"id": "issue18503",
"file": "pdfs/issue18503.pdf",
"md5": "b6c7c8db3505d07ce8eabe6712641a94",
"rounds": 1,
"link": true,
"type": "other"
},
{
"id": "filled-background-range",
"file": "pdfs/filled-background.pdf",
Expand Down
180 changes: 180 additions & 0 deletions test/unit/api_spec.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -3755,6 +3755,186 @@ Caron Broadcasting, Inc., an Ohio corporation (“Lessee”).`)
await loadingTask.destroy();
});

it("gets corrupt structure tree with non-dictionary nodes (issue 18503)", async function () {
if (isNodeJS) {
pending("Linked test-cases are not supported in Node.js.");
}

const loadingTask = getDocument(buildGetDocumentParams("issue18503.pdf"));
const pdfDoc = await loadingTask.promise;
const pdfPage = await pdfDoc.getPage(1);
const tree = await pdfPage.getStructTree();

expect(tree).toEqual({
role: "Root",
children: [
{
role: "Document",
lang: "en-US",
children: [
{
role: "Sect",
children: [
{
role: "P",
children: [{ type: "content", id: "p406R_mc2" }],
},
{
role: "Figure",
children: [{ type: "content", id: "p406R_mc11" }],
alt: "d h c s logo",
},
{
role: "Figure",
children: [{ type: "content", id: "p406R_mc1" }],
alt: "Great Seal of the State of California",
},
{
role: "P",
children: [
{ type: "content", id: "p406R_mc3" },
{ type: "content", id: "p406R_mc5" },
{ type: "content", id: "p406R_mc7" },
],
},
{
role: "P",
children: [
{ type: "content", id: "p406R_mc4" },
{ type: "content", id: "p406R_mc6" },
],
},
{
role: "P",
children: [{ type: "content", id: "p406R_mc12" }],
},
{
role: "P",
children: [{ type: "content", id: "p406R_mc13" }],
},
{
role: "P",
children: [
{
role: "Span",
children: [
{ type: "content", id: "p406R_mc15" },
{
role: "Note",
children: [{ type: "content", id: "p406R_mc32" }],
},
],
},
{ type: "content", id: "p406R_mc14" },
{ type: "content", id: "p406R_mc16" },
],
},
{
role: "H1",
children: [{ type: "content", id: "p406R_mc17" }],
},
],
},
{
role: "Sect",
children: [
{
role: "H2",
children: [{ type: "content", id: "p406R_mc18" }],
},
{
role: "P",
children: [{ type: "content", id: "p406R_mc19" }],
},
],
},
{
role: "Sect",
children: [
{
role: "H2",
children: [{ type: "content", id: "p406R_mc20" }],
},
{
role: "P",
children: [
{ type: "content", id: "p406R_mc21" },
{
role: "Span",
children: [
{ type: "content", id: "p406R_mc23" },
{
role: "Note",
children: [
{ type: "content", id: "p406R_mc33" },
{
role: "Link",
children: [
{ type: "object", id: "432R" },
{ type: "content", id: "p406R_mc34" },
],
},
],
},
],
},
{ type: "content", id: "p406R_mc22" },
{ type: "content", id: "p406R_mc24" },
{ type: "content", id: "p406R_mc25" },
{ type: "content", id: "p406R_mc26" },
{
role: "Span",
children: [
{ type: "content", id: "p406R_mc28" },
{
role: "Note",
children: [
{ type: "content", id: "p406R_mc35" },
{
role: "Link",
children: [
{ type: "object", id: "433R" },
{ type: "content", id: "p406R_mc36" },
],
},
{ type: "content", id: "p406R_mc37" },
],
},
],
},
{ type: "content", id: "p406R_mc29" },
{ type: "content", id: "p406R_mc27" },
{ type: "content", id: "p406R_mc30" },
],
},
{
role: "P",
children: [{ type: "content", id: "p406R_mc31" }],
},
{
role: "P",
children: [
{ type: "content", id: "p406R_mc8" },
{ type: "content", id: "p406R_mc9" },
{
role: "Link",
children: [
{ type: "object", id: "434R" },
{ type: "content", id: "p406R_mc10" },
],
},
],
},
],
},
],
},
],
});

await loadingTask.destroy();
});

it("gets operator list", async function () {
const operatorList = await page.getOperatorList();

Expand Down